Name #323 of 1000 · Viṣṇu Sahasranāma
अपांनिधिःapāṃnidhiḥ
Apamnidhi
The ocean — the treasury of the waters
From shloka 35 · chapter Narasiṃha
अच्युतः प्रथितः प्राणः प्राणदो वासवानुजः ।
अपांनिधिरधिष्ठानमप्रमत्तः प्रतिष्ठितः ॥
acyutaḥ prathitaḥ prāṇaḥ prāṇado vāsavānujaḥ
apāṃnidhiradhiṣṭhānamapramattaḥ pratiṣṭhitaḥ
Also in this shloka: acyutaḥ · prathitaḥ · prāṇaḥ · prāṇadaḥ · vāsavānujaḥ · adhiṣṭhānam · apramattaḥ · pratiṣṭhitaḥ